This industry comprises establishments primarily engaged in providing steam, heated air, or cooled air. The steam distribution may be through mains.
| Go to: | No change 2002 to 2007 | No change 1997 to 2002 | 2002 Economic Census and other data sources |
| 2007 NAICS | 2002 NAICS | 1997 NAICS |
Corresponding Index Entries |
|---|---|---|---|
| 221330 | 221330 | 221330 | Air-conditioning supply |
| 221330 | 221330 | 221330 | Cooled air distribution |
| 221330 | 221330 | 221330 | Distribution of cooled air |
| 221330 | 221330 | 221330 | Distribution of heated air |
| 221330 | 221330 | 221330 | Distribution of steam heat |
| 221330 | 221330 | 221330 | Geothermal steam production |
| 221330 | 221330 | 221330 | Heat, steam, distribution |
| 221330 | 221330 | 221330 | Heated air distribution |
| 221330 | 221330 | 221330 | Heating steam (suppliers of heat) providers |
| 221330 | 221330 | 221330 | Steam heat distribution |
| 221330 | 221330 | 221330 | Steam heating systems (i.e., suppliers of heat) |
| 221330 | 221330 | 221330 | Steam production and distribution |
| 221330 | 221330 | 221330 | Steam supply systems, including geothermal |
